*{
    margin: 0;
    padding: 0;
}

@import "mixin/juzhong-mixin.less";
#wrap{
    position: relative;
    width: 300px;
    height: 300px;
    border: 1px solid;
    margin: 0 auto;
    .inner{
        &:nth-child(1){
           .juzhong(100px,100px,deeppink);
        }
        &:nth-child(2){
           .juzhong(50px,50px,yellow);
        }
    }
}
